Yokogawa NFLR121-S50 Serial Communication Module
$264.00
$378.00
Description
Overview
The Yokogawa NFLR121‑S50 is a high-reliability serial communication module engineered for FCN autonomous controllers. It provides two fully isolated RS‑422/RS‑485 ports, ensuring stable multipoint communication across industrial networks. Supporting both half-duplex and full-duplex transmission, this module accommodates a wide range of baud rates and long-distance cabling requirements, making it ideal for PLC integration and distributed control systems.
Key Features
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Dual RS‑422/RS‑485 ports with electrical isolation
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Supports half-duplex and full-duplex modes
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Flexible baud rates: 0.3 kbps to 115.2 kbps
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Transmission formats: ASCII and Binary
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Character length options: 7 or 8 bits, with 1 or 2 stop bits
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Parity selection: None, Even, or Odd
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Maximum cable length: up to 1200 m for RS‑422/RS‑485 networks
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Robust industrial design with reliable long-term performance
Technical Specifications
Interface & Communication
| Parameter | Specification |
|---|---|
| Model | NFLR121‑S50 |
| Port Type | 2 × RS‑422/RS‑485 |
| Communication | Half-duplex / Full-duplex |
| Connection | Multipoint |
| Sync Method | Start-stop synchronization |
| Transmission | ASCII / Binary |
| Character Length | 7 or 8 bits |
| Stop Bits | 1 or 2 |
| Parity | None / Even / Odd |
| Baud Rates | 0.3, 1.2, 2.4, 4.8, 9.6, 14.4, 19.2, 28.8, 38.4, 57.6, 76.8, 115.2 kbps |
| Max Distance | Up to 1200 m (RS‑422/RS‑485) |
Physical & Environmental
| Parameter | Specification |
|---|---|
| Module Size | Standard FCN module dimensions |
| Weight | 0.3 kg |
| Operating Temp | 0–55 °C |
| Storage Temp | −20–70 °C |
| Humidity | 10–90 % RH, non-condensing |
Functional Overview
The NFLR121‑S50 enables reliable serial communication for PLCs, analyzers, and field devices. Its isolated ports protect against electrical interference, and its versatile configuration supports both legacy and modern serial equipment. The module is fully compatible with Yokogawa STARDOM FCN controllers and distributed control networks.
Applications
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Serial communication with PLCs and controllers
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Instrument and analyzer data interfacing
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Distributed control system (DCS) integration
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Multipoint RS‑485 industrial device networks
FAQ / Engineer Insights
Q: Can this module communicate with standard PLCs?
A: Yes, the NFLR121‑S50 is fully compatible with standard RS‑422/RS‑485 PLC interfaces.
Q: What is the maximum cable length supported?
A: Up to 1200 m for RS‑422/RS‑485, depending on baud rate and cable type.
Q: Are both full-duplex and half-duplex modes supported?
A: Yes, both modes are configurable to match network requirements.
Q: Can it handle mixed ASCII and binary data?
A: Yes, the module supports both ASCII and binary transmission.
Q: Are there similar modules for comparison?
A: The NFLR122-S50 offers additional port isolation and higher throughput, while the NFLR121-S50 emphasizes flexible baud rates and long-distance communication.
Features
Minimum Order Quantity (MOQ)
We welcome bulk orders and have a minimum order quantity of just one unit.
Certificates and Documentation
Upon request, we can provide all necessary documentation, including Certificates of Origin/Conformance and other required export documents.
Delivery Time
For items in stock, we aim to deliver within 1-3 days after payment confirmation. Items with specified lead times will be delivered according to the quoted schedule.
Payment Methods
We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% due before shipment. For RMB transfers, please contact us if you have an agent in China.
Warranty
We offer a standard one-year warranty on all new and original items. If you require an extended warranty, please contact us for additional cost details.
Refund and Return Policy
Your satisfaction is important to us. If you need to return an item, it must be done within 30 days of the order date. The product must be unused, unopened, and in its original packaging with all accessories included. Refunds are processed within 5-7 business days after we receive the returned item. Please note that shipping and related charges are non-refundable.
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